package com.bitdf.txing.ware.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * RabbitMq配置
 */
@Configuration
public class MyRabbitConfig {

    /**
     * 锁库存后 用于释放库存
     * @return
     */
    @Bean
    public Exchange stockEventExchange(){
        TopicExchange topicExchange = new TopicExchange("stock-event-exchange", true, false, null);
        return topicExchange;
    }

    /**
     * 库存释放队列
     * @return
     */
    @Bean
    public Queue stockReleaseStockQueue(){
        return new Queue("stock.release.stock.queue", true, false, false);
    }

    /**
     * 死信队列 用于释放库存
     * @return
     */
    @Bean
    public Queue stockDelayQueue(){
        Map<String,Object> arguments=new HashMap<>();
        arguments.put("x-dead-letter-exchange","stock-event-exchange");
        arguments.put("x-dead-letter-routing-key","stock.release");
        arguments.put("x-message-ttl",30*60*1000);
        return new Queue("stock.delay.queue",true,false, false, arguments);
    }

    /**
     * 绑定
     * @return
     */
    @Bean
    public Binding stockReleaseBinding(){
        return new Binding("stock.release.stock.queue", Binding.DestinationType.QUEUE,"stock-event-exchange","stock.release.#",null);
    }

    /**
     * 绑定
     * @return
     */
    @Bean
    public Binding stockLockedBinding(){
        return new Binding("stock.delay.queue", Binding.DestinationType.QUEUE,"stock-event-exchange","stock.locked",null);
    }

}
